www.slate.com/articles/arts/gallery/2011/03/a_history_of_the_hollywood_sign.html,
www.latimes.com/news/local/la-me-then17feb17,0,7106561.story
So a big sign seems to have an over all good connection with the #13 & coasttocoastam.com dedicated a program to it. Kristy Robinett revealed that she was born on a Friday the 13th. She mentioned the Amityville connection with the #13. The_murder_of_the_DeFeo_family: November 13,1974 & The_Amityville_Horror book was published on September 13,1977. www.amityvillemurders.com, www.amityvillehorror.com
www.coasttocoastam.com/guest/lutz-george/5599, www.coasttocoastam.com/guest/lutz-christopher/54691
Of course, Hollywood would work its own profitable angle on Friday the_13th thing.
www.redicecreations.com/article.php?id=20690,
http://news.nationalgeographic.com/news/2004/02/0212_040212_friday13.html,
http://urbanlegends.about.com/cs/historical/a/friday_the_13th.htm, www.time.com/time/nation/article/0,8599,1879288,00.html